/*------------------------------------------------------------------- DISPLAY_POSITION */
void display_position(struct particle p,int type)
{
int 	i;
float 	x;

printf("\n particle %i: ",p.rank+1);

for (i=0;i<p.x.size;i++)
	printf(" %i",q[p.x.s[i]]);
printf("  %f",p.f);

}
